>>7636
>By concentrating on a single thought I mean something like visualizing a red triangle or contemplating the nature of the sun (what it does, how it works, etc).
>By interruptions I mean having the red triangle you are visualizing turning yellow or getting a random flash of another visual in your mind that has nothing to do with the visualization you are trying to focus on. Or having a random thought like "I'll have pizza for dinner" pop into your mind while you are contemplating the nature of the sun.
>I think it's actually a requirement if you want to be able to do "physical magic" one day.
Literally talks of a triangle and a circle (sun) here, the sigil on the grimoire I found at their place. Then mentions "pizza" which is elite code for the HQ at Mariana's trench.